In depth comparison and review of Plantronics .Audio 400DSP and EPOS I SENNHEISER IMPACT MB 660 UC. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Product Type | Headset - wired | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 227 g | |
| Recommended Use | Computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | EPOS I SENNHEISER IMPACT MB 660 UC can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| Bluetooth Audio Codec | - | SBC, aptX | |
| Active Noise Cancelling | - | Yes | EPOS I SENNHEISER IMPACT MB 660 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | NoiseGard active noise compensation | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 17 - 23000 Hz | |
| Total Harmonic Distortion (THD) | - | <0.5% | |
| Sensitivity | - | 118 dB | |
| Impedance | - | 46 Ohm | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Mono | - | |
| Frequency Response | - | 150 - 6800 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
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| Controls | Mute, volume | - |
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| CABLE | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
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| Cable Type | Headset cable | Audio cable Micro-USB cable |
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| BATTERY AND CHARGING | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Battery Type | - | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | - | 30 hours | |
| Standby Time | - | 360 hours | |
| Charging Time | - | 3 hours |
| WIRELESS LINK | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
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| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Connector Type | USB (4 PIN USB Type A) | - |
|---|
| OTHERS | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Included Accessories | - | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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